diff options
Diffstat (limited to 'tokio/src/sync/batch_semaphore.rs')
| -rw-r--r-- | tokio/src/sync/batch_semaphore.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tokio/src/sync/batch_semaphore.rs b/tokio/src/sync/batch_semaphore.rs index 436737a6..698e908e 100644 --- a/tokio/src/sync/batch_semaphore.rs +++ b/tokio/src/sync/batch_semaphore.rs @@ -386,7 +386,11 @@ impl Future for Acquire<'_> { type Output = Result<(), AcquireError>; fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + // First, ensure the current task has enough budget to proceed. + ready!(crate::coop::poll_proceed(cx)); + let (node, semaphore, needed, queued) = self.project(); + match semaphore.poll_acquire(cx, needed, node, *queued) { Pending => { *queued = true; |